internal static void BuildAndDispatchMouseEvent(EventDispatcher dispatcher, DisplayListMember targetComponent, string type, Point position, Event unityEvent)
{
//Debug.Log("BuildAndDispatchMouseEvent");
if (null == dispatcher)
throw new Exception("dispatcher cannot be null");
if (null == targetComponent)
throw new Exception("targetComponent cannot be null");
if (!dispatcher.HasEventListener(type) && !targetComponent.HasBubblingEventListener(type)) // optimization
return; // don't bother to build an event
//Debug.Log("unityEvent: " + unityEvent);
//var ue = unityEvent ?? Event.current;
//Debug.Log("ue: " + ue);
//Debug.Log("ue.button: " + ue.button);
/**
* 1) InvalidateDrawingList the event
* */
MouseEvent me = new MouseEvent(type)
{
Target = targetComponent,
CurrentEvent = unityEvent,
GlobalPosition = position,
LocalPosition = targetComponent.GlobalToLocal(position)
};
if (null != MouseProcessor.MouseDownEvent)
{
// this is not a mouse move event, but rather a mouse drag, because MouseProcessor holds the reference to a mousedown event
me.ButtonDown = MouseProcessor.MouseDownEvent.button == 0;
me.RightButtonDown = MouseProcessor.MouseDownEvent.button == 1;
me.MiddleButtonDown = MouseProcessor.MouseDownEvent.button == 2;
}
/**
* 2) Dispatch from manager
* */
dispatcher.DispatchEvent(me);
/**
* 3) If not canceled, dispatch from component
* */
if (!me.Canceled)
{
me.Bubbles = true; // added 28.1.2012.
targetComponent.DispatchEvent(me);
}
}
void Start()
{
if (null == _dispatcher)
_dispatcher = new EventDispatcher(gameObject); // NOTE: Could also be lazy event dispatcher
if (!_initialized)
Initialize();
if (!Default && string.IsNullOrEmpty(Id))
throw new Exception("Mapper error: Id not set for a non-default mapper");
if (!_mappers.ContainsKey(Id))
_mappers.Add(Id, this);
}
private void Initialize()
{
if (_dispatcher == null)
{
_dispatcher = new EventDispatcher(this);
}
}